Some male butterflies go to extreme lengths to ensure their paternity—sealing their mate's genitalia with a waxy "chastity belt" to prevent future liaisons. But female butterflies can fight back by evolving larger or more ...
Plants & Animals
Sep 3, 2020
0
142
Achieving pregnancy has been shown to be more likely between partners who carry dissimilar human leucocyte antigen (HLA) immune genes. Accordingly, humans are expected to choose HLA dissimilar reproductive partners. Earlier ...
Evolution
Aug 19, 2020
0
124
A species of frog from the Brazilian rainforest has become the first amphibian shown to live in a harem, where one male mates with two females who remain loyal to him.
Plants & Animals
Aug 12, 2020
0
322
Yitzchak Ben Mocha, an anthropologist with Zürich University, has conducted a study of human procreation habits as part of an effort to understand why humans prefer to mate in private. In his paper published in the journal ...
Infertility is a worldwide clinical problem for human health that affects 8 to 12 percent of couples. A new study from Washington University in St. Louis has implications for understanding some age-related aspects of male ...
Plants & Animals
Aug 3, 2020
6
352
In a new meta-study, experts from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI) have published groundbreaking findings on the effects of climate change for fish stocks around the globe. ...
Plants & Animals
Jul 2, 2020
0
209
New University of Otago research provides insight into how males influence their mates' health, growth and fertility.
Evolution
Jun 23, 2020
0
20
When choosing a mate, females of different subspecies of Drosophila mojavensis recognize the right mating partners either mainly by their song or by their smell. This was discovered by researchers at the Max Planck Institute ...
Plants & Animals
Jun 17, 2020
0
37
Love, sex and mate choice are topics that never go out of fashion among humans or, surprisingly, among some Australian birds. For these species, choosing the right partner is a driver of evolution and affects the survival ...
Plants & Animals
Jun 1, 2020
0
3
In many fish species body size plays an important role in sexual selection. Large individuals are preferred mating partners because they can enhance offspring survival by providing better quality resources than small individuals. ...
Plants & Animals
May 8, 2020
0
49
